mirror of https://github.com/arendst/Tasmota.git
232 lines
6.7 KiB
C++
232 lines
6.7 KiB
C++
/*
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xnrg_17_ornowe512.ino - Orno WE517-Modbus energy meter support for Tasmota
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Copyright (C) 2020 Maxime Vincent - based on the work of Gennaro Tortone and Theo Arends
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifdef USE_ENERGY_SENSOR
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#ifdef USE_WE517
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/*********************************************************************************************\
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* Orno WE517-Modbus energy meter
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*
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* [SetOption72: Set reference used for total energy]
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* This driver supports SetOption72 = 1, which enables the use of Hardware Energy Totals,
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* (as apposed to software energy totals kept in Tasmota flash memory)
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\*********************************************************************************************/
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#define XNRG_17 17
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// can be user defined in my_user_config.h
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#ifndef WE517_SPEED
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#define WE517_SPEED 9600 // default WE517 Modbus address
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#endif
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// can be user defined in my_user_config.h
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#ifndef WE517_ADDR
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#define WE517_ADDR 1 // default WE517 Modbus address
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#endif
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#define FUNCTION_CODE_READ_HOLDING_REGISTERS (0x03)
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#include <TasmotaModbus.h>
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TasmotaModbus *We517Modbus;
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const uint16_t we517_start_addresses[] {
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/* */ // 3P4 3P3 1P2 Unit Description
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/* 0 */ 0x000E, // + - + V Phase 1 line to neutral volts
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/* 1 */ 0x0010, // + - - V Phase 2 line to neutral volts
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/* 2 */ 0x0012, // + - - V Phase 3 line to neutral volts
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/* 3 */ 0x0016, // + + + A Phase 1 current
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/* 4 */ 0x0018, // + + - A Phase 2 current
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/* 5 */ 0x001A, // + + - A Phase 3 current
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/* 6 */ 0x001E, // + - + kW Phase 1 power
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/* 7 */ 0x0020, // + - + kW Phase 2 power
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/* 8 */ 0x0022, // + - - kW Phase 3 power
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/* 9 */ 0x0026, // + - + VAr Phase 1 volt amps reactive
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/* 10 */ 0x0026, // + - - VAr Phase 2 volt amps reactive
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/* 11 */ 0x002A, // + - - VAr Phase 3 volt amps reactive
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/* 12 */ 0x0036, // + - + Phase 1 power factor
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/* 13 */ 0x0038, // + - - Phase 2 power factor
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/* 14 */ 0x003A, // + - - Phase 3 power factor
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/* 15 */ 0x0014, // + + + Hz Frequency of supply voltages
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/* 16 */ 0x0100 // + + + kWh Total active energy
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};
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struct WE517 {
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uint8_t read_state = 0;
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uint8_t send_retry = 0;
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} We517;
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/*********************************************************************************************/
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void WE517Every250ms(void)
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{
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bool data_ready = We517Modbus->ReceiveReady();
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if (data_ready) {
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uint8_t buffer[14]; // At least 5 + (2 * 2) = 9
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uint32_t error = We517Modbus->ReceiveBuffer(buffer, 2);
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AddLogBuffer(LOG_LEVEL_DEBUG_MORE, buffer, We517Modbus->ReceiveCount());
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if (error) {
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AddLog_P2(LOG_LEVEL_DEBUG, PSTR("ORNO: WE517 error %d"), error);
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} else {
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Energy.data_valid[0] = 0;
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Energy.data_valid[1] = 0;
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Energy.data_valid[2] = 0;
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// 0 1 2 3 4 5 6 7 8
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// SA FC BC Fh Fl Sh Sl Cl Ch
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// 01 04 04 43 66 33 34 1B 38 = 230.2 Volt
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float value;
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((uint8_t*)&value)[3] = buffer[3]; // Get float values
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((uint8_t*)&value)[2] = buffer[4];
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((uint8_t*)&value)[1] = buffer[5];
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((uint8_t*)&value)[0] = buffer[6];
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switch(We517.read_state) {
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case 0:
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Energy.voltage[0] = value;
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break;
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case 1:
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Energy.voltage[1] = value;
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break;
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case 2:
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Energy.voltage[2] = value;
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break;
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case 3:
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Energy.current[0] = value;
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break;
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case 4:
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Energy.current[1] = value;
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break;
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case 5:
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Energy.current[2] = value;
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break;
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case 6:
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Energy.active_power[0] = value * 1000;
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break;
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case 7:
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Energy.active_power[1] = value * 1000;
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break;
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case 8:
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Energy.active_power[2] = value * 1000;
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break;
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case 9:
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Energy.reactive_power[0] = value;
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break;
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case 10:
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Energy.reactive_power[1] = value;
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break;
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case 11:
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Energy.reactive_power[2] = value;
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break;
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case 12:
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Energy.power_factor[0] = value;
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break;
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case 13:
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Energy.power_factor[1] = value;
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break;
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case 14:
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Energy.power_factor[2] = value;
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break;
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case 15:
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Energy.frequency[0] = value;
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break;
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case 16:
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EnergyUpdateTotal(value, true);
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break;
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}
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We517.read_state++;
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if (sizeof(we517_start_addresses)/2 == We517.read_state) {
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We517.read_state = 0;
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}
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}
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} // end data ready
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if (0 == We517.send_retry || data_ready) {
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We517.send_retry = 5;
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We517Modbus->Send(WE517_ADDR, FUNCTION_CODE_READ_HOLDING_REGISTERS, we517_start_addresses[We517.read_state], 2);
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} else {
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We517.send_retry--;
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}
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}
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void We517SnsInit(void)
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{
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We517Modbus = new TasmotaModbus(Pin(GPIO_WE517_RX), Pin(GPIO_WE517_TX));
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uint8_t result = We517Modbus->Begin(WE517_SPEED);
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if (result) {
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if (2 == result) {
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AddLog_P2(LOG_LEVEL_DEBUG, PSTR("ORNO: WE517 HW serial init 8E1 at %d baud"), WE517_SPEED);
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Serial.begin(WE517_SPEED, SERIAL_8E1);
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ClaimSerial();
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}
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Energy.phase_count = 3;
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Energy.frequency_common = true; // Use common frequency
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} else {
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TasmotaGlobal.energy_driver = ENERGY_NONE;
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}
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}
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void We517DrvInit(void)
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{
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if (PinUsed(GPIO_WE517_RX) && PinUsed(GPIO_WE517_TX)) {
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TasmotaGlobal.energy_driver = XNRG_17;
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}
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}
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/*********************************************************************************************\
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* Interface
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\*********************************************************************************************/
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bool Xnrg17(uint8_t function)
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{
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bool result = false;
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switch (function) {
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case FUNC_EVERY_250_MSECOND:
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if (TasmotaGlobal.uptime > 4) { WE517Every250ms(); }
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break;
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case FUNC_INIT:
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We517SnsInit();
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break;
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case FUNC_PRE_INIT:
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We517DrvInit();
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break;
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}
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return result;
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}
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#endif // USE_WE517
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#endif // USE_ENERGY_SENSOR
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